High Purity Alumina Tube 99.6% Al2O3 Ceramic Tube High-Temperature Applications

High Purity Alumina Tube, 99.6% Al2O3 Ceramic Tube

High purity alumina tubes can withstand very high temperatures under reducing, inert or high vacuum conditions. They remain good chemical resistance under high temperatures and have excellent wear and abrasion resistance. 99.6% Alumina tube can withstand up to 1800℃.

Our high purity alumina (Al2O3 content > 99%) ceramics are purpose-built to perform across a wide range of high-temperature applications. Our high purity alumina shows considerable resistance to chemical attack due to the lack of glassy phases that tend to determine corrosion resistance.

Alumina tubes can be used in a multitude of applications include:

Turbine casting supports

Surgical devices

Knife sharpeners

Wafer processing components

Ceramic insulators

Vacuum devices

High-power resistor

Thermocouple components

Protection tubes

Igniter tubes

Thermostats

alumina tube

Alumina Tube Features

Alumina purity: 99.6%

Color: Ivory

Sintering temperature: 1810℃

Max. working temperature: 1800℃

Sag Temp. Unsupported Tube: 1600℃

Chemical

Composition

(%) Al2O3 >99.6

SiO2 <0.1

Fe2O3 <0.05

R2O <0.1

Alumina Tube Standard size

OD x ID x Length (mm)

28 x 22 x 200-1500mm 30 x 24 x 200-1500mm

32 x 26 x 200-1500mm 35 x 28 x 200-1500mm

40 x 30 x 200-1500mm 50 x 40 x 200-1500mm

60 x 50 x 200-1500mm 70 x 60 x 200-1500mm

80 x 70 x 200-1500mm 90 x 80 x 200-1500mm

100 x 90 x 200-1500mm 120 x 110 x 200-1500mm

*Other sizes can be produced according to your requirement.

Note: Alumina products are sensitive to thermal shock. Try to warm up the furnace chamber slowly. A heating rate between 150℃~300℃/hour is recommended for the first 1-1.5 hours so that the alumina products can be evenly heated to reduce the impact of thermal shock.

Data Sheet↓